UKP 209 K/H
Pillow (plummer) block bearing units consisting of an insert bearing
mounted in a composite or cast metal housing that can be bolted to a
support surface. In addition to being part of a unit, some pillow block
housings for insert bearings are available as separate components. The
SKF assortment includes units that are compliant with several industrial
standards and meet many requirements.
• Ready to mount
• Lubricated and sealed bearings
• Quick locking on the shaft
• Large variety of housing shapes, housing materials, and locking
methods
• Concentric locking options for high speeds and low vibration
Overview
Dimensions
Shaft diameter 40 mm
Centre height (pillow block) 54 mm
Housing overall width 51 mm
Centre distance between bolt holes 146 mm
Bearing width, total 34.9 mm
Performance Properties
Basic dynamic load rating 33.2 kN Housing type Pillow block
Basic static load rating 21.6 kN Number of bolt holes for 2
fasteners
Limiting speed 3 400 r/min
Fastening bolt hole type Plain
Retaining feature, inner ring Adapter sleeve
Bore type Tapered
Rubber seating ring Without
Material, housing Cast iron
Material, bearing Bearing steel
Coating Without
Sealing, bearing Seal and flinger on both
sides
Sealing type Contact, standard
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Sealing, unit Without
Lubricant Grease
Relubrication hole With
Grease fitting With
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Technical Specification
Order adapter sleeve separately
Compliance with standard JIS
Purpose specific For material handling applications
Material, housing Cast iron
Sealing, bearing Seal and flinger on both sides
Sealing type, bearing Contact, standard
Sealing, unit Without
Coating Without
Dimensions
d 40 mm Bore diameter
d1 ≈ 56.8 Shoulder diameter of inner ring
mm
d3 65 mm Outside diameter of lock nut
A 51 mm Base width
A1 31 mm Top width
B 35 mm Width of inner ring
B1 34.9 Overall bearing width
mm
B1 50 mm Width of sleeve
H 54 mm Height of spherical seat centre
H1 19 mm Foot height
H2 108 mm Overall height
J 146 mm Distance between attachment bolts
J max. 150 Distance between attachment bolts
mm
J min. 142 Distance between attachment bolts
mm
L 189.5 Overall length
mm
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N 17 mm Diameter of attachment bolt hole
N1 21 mm Length of attachment bolt hole
s1 28.75 Distance from locking device side face to
mm raceway centre
Value specified for s1
Threaded hole
RG 1/4-28 UNF Housing thread for the grease fitting
R1 4 mm Axial position of the housing thread
Rα 45 ° Angular position of the housing thread
Grease fitting
DN 6.6 mm Diameter of head sphere of grease
fitting
SW7.94
N mm Hexagonal key size for the grease fitting
GN1/4-28 UNF Thread of grease fitting
Calculation data
Basic dynamic load rating C 33.2 kN
Basic static load rating C0 21.6 kN
Fatigue load limit Pu 0.915 kN
Limiting speed 3 400 r/min
Mass
Mass bearing unit 2.1 kg
Mounting information
Associated spanner HN 9
Recommended lock nut tightening angle α 110 °
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Recommended diameter for attachment bolts, mm G 14 mm
Recommended diameter for attachment bolts, inch G 0.5625 in
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